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Osama M. A. Ibrahim, Murat Dogru, Samantha K. Ward, Yukihiro Matsumoto, Tais Hitomi Wakamatsu, Katsushi Ishida, Atsushi Tsuyama, Takashi Kojima, Jun Shimazaki, Kazuo Tsubota; The Efficacy, Sensitivity, and Specificity of Strip Meniscometry in Conjunction with Tear Function Tests in the Assessment of Tear Meniscus. Invest. Ophthalmol. Vis. Sci. 2011;52(5):2194-2198. doi: 10.1167/iovs.10-5986.
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To evaluate the specificity and sensitivity of strip meniscometry (SM) testing in conjunction with tear function tests in the diagnosis of dry eye (DE) disease and to investigate the effect of SM on reflex tearing.
One hundred seven left eyes of 107 patients with definite DE disease according to the Japanese DE diagnostic criteria and 68 left eyes of 68 age- and sex-matched control subjects were studied. Tear meniscus height (TMH) measurements, fluorescein tear film break-up time (FTBUT), fluorescein (F) and rose bengal (RB) staining, and Schirmer's test-1 (ST) were also performed. The assessment of reflex tearing before and after SM application was assessed with a graticule scale at the slit lamp and by optical coherence tomography. The sensitivity and specificity of SM alone and in combination with tear function tests were also sought.
The SM scores, TMH measurements, FTBUTs, and STs were significantly lower in dry eye patients than in the controls (P < 0.001). The RB and F staining scores were significantly higher in the dry eye group than in the control group (P < 0.001). The meniscometry strips did not induce significant changes in relation to reflex tearing. SM had an acceptable sensitivity and specificity.
SM is a swift, noninvasive, promising method of assessing tear meniscus volume. The combined SM and FTBUT examination appears to be a sensitive approach to the assessment of dry eye disease.
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